/*******************************************************************************
 * Copyright (C) 2023 the Eclipse BaSyx Authors
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * SPDX-License-Identifier: MIT
 ******************************************************************************/
package org.eclipse.digitaltwin.basyx.aasenvironment.environmentloader;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.eclipse.digitaltwin.aas4j.v3.model.Environment;
import org.eclipse.digitaltwin.aas4j.v3.model.Identifiable;
import org.eclipse.digitaltwin.basyx.core.exceptions.CollidingIdentifierException;

/**
 * Assertion to ensure that no duplicates ids are loaded from file
 *
 * @author Gerhard Sonnenberg DFKI GmbH
 *
 */
public class IdentifiableAssertion {

	private final Set<String> currentShellIds = new HashSet<>();
	private final Set<String> currentSubmodelIds = new HashSet<>();

	public void assertNoDuplicateIds(Environment environment) {
		assertNoDuplicateIds(environment.getAssetAdministrationShells(), currentShellIds);
		assertNoDuplicateIds(environment.getSubmodels(), currentSubmodelIds);
	}
	
	private <T extends Identifiable> void assertNoDuplicateIds(List<T> identifiables, Set<String> currentIds) throws CollidingIdentifierException {
		if (identifiables == null) {
			return;
		}
		for (T eachIdentifiable : identifiables) {
			String id = eachIdentifiable.getId();
			boolean success = currentIds.add(id);
			if (!success) {
				throw new CollidingIdentifierException(id);
			}
		}
	}

}